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ASTi Telestra Remote Control Interface User Guide (Version 1, Revision A)

Introduction

In order to facilitate easier integration into the simulator environment it is possible to perform sys-

tem commands from a remote computer system, connected to the Telestra unit via a TCP/IP

Ethernet connection. This greatly simpliﬁes the inclusion of Telestra into the wider HLA based

system control architecture, particularly due to interaction of RTI master exec software and the

satellite applications that rely on this. Also this removes the neccessity of running the system with

a keyboard and monitor permanently connected to the unit.

The Telestra system can be managed by remote control through a TCP/IP interface. Through this

interface, a host computer can:

• Tell the Telestra federate to join or resign a federation

• Specify the federate name, federation name to join, and fed ﬁle

• Direct the Telestra system to shutdown or reboot

The host can also get information from the Telestra system:

• Joined/resigned status

• Current federate name, federation name, and fed ﬁle name

• RTI network activity information

• Lists of objects the federate is currently aware of

The host can only get this information if it is controlling the Telestra system. The commands and

responses through this interface are all text based, human readable messages. A host emulator pro-

gram is supplied with the Telestra system that can act as a console attached to the Telestra feder-

ate, either on the local box or a remote one. The connection is designed to be robust - if the

connection is unexpectedly closed or broken, the socket will automatically re-open and begin lis-

tening for a new connection.

Also described in this document is a tool called hostemu (short for Host Emulator), which pro-

vides a method of experimenting with the Telestra remote control interface. There is also a

method for printing the trafﬁc on the remote control interface to the screen, which can be used in

debugging the interface.

Setting Up the Connection

The remote control interface is set up in the conﬁguration ﬁle for the Telestra federate (more

information on the conﬁguration ﬁle can be found in the doument Telestra Quick Start Guide. For

example, inserting Control_Port = 45001 into the .cfg ﬁle will cause the Telestra federate

to set the remote control interface to listen for TCP/IP connections on UDP port 45001. When

telestra is run from the console (i.e. not automatically at startup), it takes remote control inter-

face commands directly from the console it was run from if no remote control interface port was

speciﬁed. If the Telestra federate is run automatically at startup (see the doument Telestra Quick

Start Guide for instructions on how to do this), and no port is speciﬁed, it will default to 45001.